/*
 * Copyright 2002-2012 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.dao.annotation;

import java.lang.annotation.Annotation;

import org.aopalliance.aop.Advice;

import org.springframework.aop.Pointcut;
import org.springframework.aop.support.AbstractPointcutAdvisor;
import org.springframework.aop.support.annotation.AnnotationMatchingPointcut;
import org.springframework.beans.factory.ListableBeanFactory;
import org.springframework.dao.support.PersistenceExceptionTranslationInterceptor;
import org.springframework.dao.support.PersistenceExceptionTranslator;

/**
 * Spring AOP exception translation aspect for use at Repository or DAO layer level.
 * Translates native persistence exceptions into Spring's DataAccessException hierarchy,
 * based on a given PersistenceExceptionTranslator.
 *
 * @author Rod Johnson
 * @author Juergen Hoeller
 * @see org.springframework.dao.DataAccessException
 * @see org.springframework.dao.support.PersistenceExceptionTranslator
 * @since 2.0
 */
@SuppressWarnings("serial")
public class PersistenceExceptionTranslationAdvisor extends AbstractPointcutAdvisor {

    private final PersistenceExceptionTranslationInterceptor advice;

    private final AnnotationMatchingPointcut pointcut;


    /**
     * Create a new PersistenceExceptionTranslationAdvisor.
     *
     * @param persistenceExceptionTranslator the PersistenceExceptionTranslator to use
     * @param repositoryAnnotationType       the annotation type to check for
     */
    public PersistenceExceptionTranslationAdvisor(
            PersistenceExceptionTranslator persistenceExceptionTranslator,
            Class<? extends Annotation> repositoryAnnotationType) {

        this.advice = new PersistenceExceptionTranslationInterceptor(persistenceExceptionTranslator);
        this.pointcut = new AnnotationMatchingPointcut(repositoryAnnotationType, true);
    }

    /**
     * Create a new PersistenceExceptionTranslationAdvisor.
     *
     * @param beanFactory              the ListableBeanFactory to obtaining all
     *                                 PersistenceExceptionTranslators from
     * @param repositoryAnnotationType the annotation type to check for
     */
    PersistenceExceptionTranslationAdvisor(
            ListableBeanFactory beanFactory, Class<? extends Annotation> repositoryAnnotationType) {

        this.advice = new PersistenceExceptionTranslationInterceptor(beanFactory);
        this.pointcut = new AnnotationMatchingPointcut(repositoryAnnotationType, true);
    }


    @Override
    public Advice getAdvice() {
        return this.advice;
    }

    @Override
    public Pointcut getPointcut() {
        return this.pointcut;
    }

}
